![ATTO Technology FibreBridge 2200D Software Manual Download Page 58](http://html1.mh-extra.com/html/atto-technology/fibrebridge-2200d/fibrebridge-2200d_software-manual_3005631058.webp)
ATTO Technology, Inc.
ATTO FibreBridge Software Manual
- -
53
ATTO Technology, Inc.
Buffer ID nvram offset Buffer Description (default values*)
8:
0x44
Firmware Options
(default 0x0000)
Bits 15-10 Reserved
Bit 9 ACK0 Enable 1= Use ACK0 w/ Class2
0 = Use ACK1 w/ Class2
Bit 8
Class 2 Support1 = Class 2 Enabled
0 = Class 2 Disabled
Bit 7
Reserved
Bits 6-4 Connection Mode
Buffer Value
Meaning
3
Point-toPoint Preferred, Otherwise Loop Only
(unsupported)
2
Loop Preferred. Otherwise Point-toPoint
(unsupported)
1 Point-to Point only
0
Loop only
Bits 3-0 Reserved
9:
Reserved
a:
0x28
Hard Address
(default 0x03)
b:
0x29
Cache Options
(default 0x00)
Bits 7 -2 – Reserved
Bit 1 – Write Cache Enable 1 = Write Cache Enabled 0 = Write Cache Disabled
Bit 0 - Disk Caching
1 = Disk Caching Only
0 = No Caching
c:
0x2A
SCSI Adapter 1 Options
(default 0x2F)
d:
0x2B
SCSI Adapter 2 Options
(default 0x2F)
Bits 7-6 - Reserved
Bit 5 - LVD/Ultra2 Transfers
1 = Yes
0 = No
Bit 4 - Power On Bus Reset
1 = Suppressed
0 = Not Suppressed
Bit 3 - Tagged Command Queuing 1 = On
0 = Off
Bit 2 - Wide Narrow Transfers
1 = Wide
0 = Narrow
Bit 1 - Sync/Async Transfers
1 = Sync
0 = Async
Bit 0 - Ultra/Fast Wide Transfers
1 = Ultra
0 = Fast Wide
e:
Reserved
f:
Reserved
10:
0x2C - 0x2E
Physical Device Addressing Method
(default 0x82 0x04 0x44)
Consists of 3 hex bytes bb ll tt (bb=busid, ll=lun, tt=target id).
The left hex digit is the bit number of the rightmost field bit in the LUN
.
The right hex digit is the number of bits in the field.
11:
0x32 - 0x34
Logical Unit Addressing Method
(default 0x53 0x05 0x84)
See Physical Device Addressing Method.
12:
0x2F - 0x31
Virtual Device Addressing Method
(default 0x02 0x63 0x24)
See Physical Device Addressing Method.
13-15: Reserved
16:
0x24
ATTO FibreBridge Options
(default 0x00)
Bit 5-7: Reserved.
Bit 4: Translate QUEUE FULL to BUSY,
1 = Enable,
0 = Disable
Bit 2-3: Reserved.
Bit 1: Enable/Disable Bridge Soft SCSI LUN, 1 = Enable,
0 = Disable
(uses FibreBridge Soft Fibre LUN byte to determine actual ID)
Bit 0: Perform/Suppress LUN Translations, 1 = Perform, 0 = Suppress.
Summary of Contents for FibreBridge 2200D
Page 2: ...ATTO Technology Inc ATTO FibreBridge Software Manual i ATTO Technology Inc...
Page 5: ...ATTO Technology Inc ATTO FibreBridge Software Manual iii ATTO Technology Inc...
Page 7: ...ATTO Technology Inc ATTO FibreBridge Software Manual 2 ATTO Technology Inc...
Page 9: ...ATTO Technology Inc ATTO FibreBridge Software Manual 4 ATTO Technology Inc...
Page 66: ...ATTO Technology Inc ATTO FibreBridge Software Manual 3 ATTO Technology Inc...